<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
   * {
     padding: 0;
     margin: 0;
   }
   body {
     background: url('./images/wx.jpg') repeat-x;
   }
   ul {
     list-style: none;
     height: 75px;

   }
   li {
     float: left;
     /* width: 200px; */
     margin: 0 10px;
     padding-top: 20px;
    
    }
   li a {
     display: block;
     text-decoration: none;
     color: white;
     background: url('./images/to.png') no-repeat;
     height: 33px;
     padding-left: 15px;
     /* text-align: center; */
     line-height: 33px;
   }
   li a span {
     display: block;
     height: 33px;
     background: url('./images/to.png') no-repeat right top;
     padding-right: 15px;
   }
   li a:hover {
     background: url('./images/ao.png') no-repeat;
   }
   li a:hover span {
     background: url('./images/ao.png') no-repeat right;
   }
   
  </style>
</head>
<body>
  <nav>
    <ul>
      <li>
        <a href="">
          <span>首页</span>
        </a>
      </li>
      <li>
        <a href="">
          <span>关于微信</span>
        </a>
      </li>
      <li>
        <a href="">
          <span>关于微信</span>
        </a>
      </li>
      <li>
        <a href="">
          <span>关于微信</span>
        </a>
      </li>
      <li>
        <a href="">
          <span>关于微ddfdfdfdfdfxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx信</span>
        </a>
      </li>
    </ul>
  </nav>

</body>
</html>